• MC lung cancer in non smokers.
• Squamous cell carcinoma and small cell carcinoma are strongly associated with Cigarette smoking.
• MC histological type - Adenocarcinoma.
• MC in India - Squamous cell carcinoma.
Adenocarcinoma :-
• Peripheral lesions
• Grows slowly than SCC.
• MC lung cancer in women.
• No symptoms in early stages.
• Pain due to pleural involvement.
Squamous cell carcinoma :-
• Arise in central airways.
• Presents with pulmonary symptoms.
• Hemoptysis (blood streaking with mucous)
• Pneumonia
• Lung abscess
• Cough, dyspnea, wheezing
Pancoast syndrome :-
• Apical chest wall or shoulder pain
• Horner syndrome
• Redicular arm pain
Bronchial adenoma :-
• Hypervascular
• Recurrent hemoptysis.
Oat cell carcinoma - Pure small cell carcinoma
Ectopic hormone production.
• Small cell carcinoma - ACTH, ANP, Calcitonin and Gonadotropins.
Clubbing (MC) - Non small cell carcinoma
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• Squamous cell carcinoma and small cell carcinoma are strongly associated with Cigarette smoking.
• MC histological type - Adenocarcinoma.
• MC in India - Squamous cell carcinoma.
Adenocarcinoma :-
• Peripheral lesions
• Grows slowly than SCC.
• MC lung cancer in women.
• No symptoms in early stages.
• Pain due to pleural involvement.
 |
| Mucinar type of Adenocarcinoma |
Squamous cell carcinoma :-
• Arise in central airways.
• Presents with pulmonary symptoms.
• Hemoptysis (blood streaking with mucous)
• Pneumonia
• Lung abscess
• Cough, dyspnea, wheezing
 |
| Keratin pearls visible |
Pancoast syndrome :-
• Apical chest wall or shoulder pain
• Horner syndrome
• Redicular arm pain
Bronchial adenoma :-
• Hypervascular
• Recurrent hemoptysis.
Oat cell carcinoma - Pure small cell carcinoma
Ectopic hormone production.
• Small cell carcinoma - ACTH, ANP, Calcitonin and Gonadotropins.
Clubbing (MC) - Non small cell carcinoma
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